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I am trying to add a circuit at the fuse panel that is controlled by the ignition switch on an 08' Cab. I tried many of the obvious fuses and some other not so obvious. Seems they are all hot all the time. Thoughts / suggestions appreciated
THANKS
The electrical diagrams in the Haynes manual show these fuses to be after the ignition switch: F6, F7, F9, F10, F11, F13, F35, F36, F39, F40 (all are 5A). Another source for switched power is the cigarette lighter (at the lighter itself, not its fuse).
Also, remember that there are circuits that *are* switched but still retain power for a while after the car's turned off, so it's possibly that some of the fuses you've identified as "always hot" may actually be switched circuits that will go cold after a few minutes.
